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As it prepares to go public following years of speculation, security-as-a-service pioneer Zscaler is seeking confirmation of its alternative approach to enterprise security architectures. In doing so, it faces challenges from not only heavyweights Symantec, Cisco and numerous other vendors, but also new approaches such as BeyondCorp.

The company seeks to capitalize on its experience against nation-state-level attackers and the ongoing review of endpoint security platforms in response to modern threats. It also embraces MITRE's ATT&CK matrix: an open industry framework for analyzing sophisticated attacks.

Two trends have emerged in the evolution of the endpoint security market: the acceptance of cloud-based back-end infrastructure, and an increased interest in considering managed services for endpoint detection and response. Carbon Black embraces both with its new offerings.

Security executives have major concerns over shifting business applications to the cloud, which can often amount to a veto of IT cloud initiatives. AWS is responding with products customized for shared cloud-based datacenters, and the Sqrrl acquisition portends enhanced security investigations across the AWS cloud.

Customers setting up their presence on public clouds are faced with new security challenges but also significant amounts of telemetry data. As the scalability and elasticity of 'NewIT' stretches existing security practices to their limits, Lacework looks to use a graph-based approach to help customers maintain proper security.

After adding cloud access security broker (CASB) capabilities, cloud-based identity governance vendor Saviynt manages cloud workloads delivered on AWS and Azure and is looking to include GCP in the near future.

Security researchers have found serious â and exploitable â vulnerabilities in memory access protections. OS vendors have been hard at work pushing patches, now that the story has broken. Users are hoping to avoid the Spectre of a Meltdown.